HMP8117 Datasheet, PDF (31/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder

HMP8117
TABLE 32. RAW VBI MASK DEFINITIONS
MASK
MASK_18_16
(Register = Default)
(Reg. 17_H)
MASK_15_8
(Register 16_H)
MASK_7_0
(Register 15_H)
REGISTER BIT
2107654321076543210
Mask Bit
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NTSC (Odd) Line# 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
NTSC (Even) Line# 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272
PAL (Odd) Line# 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
PAL (Even) Line# 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318
TABLE 33. BRIGHTNESS REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 18_H
DESCRIPTION
RESET
STATE
7
Reserved
6-0
Brightness
Adjust
These bits control the brightness. They may have a value of +63 (“011 1111”) to -64 (“100 0000”),
with positive values increasing brightness. A value of 0 (“000 0000”) has no effect on the data.
0_B
0000000_B
TABLE 34. CONTRAST REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 19_H
DESCRIPTION
7-0
Contrast
Adjust
These bits control the contrast. They may have a value of 0x (“0000 0000”) to 1.992x (“1111
1111”). A value of 1x (“1000 0000”) has no effect on the data.
RESET
STATE
80_H
TABLE 35. HUE REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1A_H
DESCRIPTION
RESET
STATE
7-0
Hue
Adjust
These bits control the color hue. They may have a value of +30 degrees (“0111 1111”) to -30
00_H
degrees (“1111 1111”). A value of 0 degrees (“0000 0000”) has no effect on the color data.
TABLE 36. SATURATION REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1B_H
DESCRIPTION
RESET
STATE
7-0
Saturation
Adjust
These bits control the color saturation. They may have a value of 0x (“0000 0000”) to 1.992x
80_H
(“1111 1111”). A value of 1x (“1000 0000”) has no effect on the color data. A value of 0x (“0000
0000”) disables the color information.
TABLE 37. COLOR GAIN ADJUST REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 1C_H
DESCRIPTION
RESET
STATE
7-0
Color Gain Adjust These bits control the amount of digital gain applied to the color difference (CbCr) signals. They
40_H
may have a value of 0.5x (“0010 0000”) to 3.98x (“1111 1111”). A value of 1x (“0100 0000”) has
no effect on the data. This register enabled by the selection of “fixed gain control” mode in the
Color Processing register 06_H.
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